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Simplifying R2 + -40r + -400 = 0 Reorder the terms: -400 + R2 + -40r = 0 Solving -400 + R2 + -40r = 0 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '400' to each side of the equation. -400 + R2 + 400 + -40r = 0 + 400 Reorder the terms: -400 + 400 + R2 + -40r = 0 + 400 Combine like terms: -400 + 400 = 0 0 + R2 + -40r = 0 + 400 R2 + -40r = 0 + 400 Combine like terms: 0 + 400 = 400 R2 + -40r = 400 Add '40r' to each side of the equation. R2 + -40r + 40r = 400 + 40r Combine like terms: -40r + 40r = 0 R2 + 0 = 400 + 40r R2 = 400 + 40r Simplifying R2 = 400 + 40r Reorder the terms: -400 + R2 + -40r = 400 + 40r + -400 + -40r Reorder the terms: -400 + R2 + -40r = 400 + -400 + 40r + -40r Combine like terms: 400 + -400 = 0 -400 + R2 + -40r = 0 + 40r + -40r -400 + R2 + -40r = 40r + -40r Combine like terms: 40r + -40r = 0 -400 + R2 + -40r = 0 The solution to this equation could not be determined.
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